Of High Quality ETP sheets coils

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Electrolytic Tinplate undoubtedly enjoys the pride of place as a packaging medium especially for food. It owes its unique position to its "nine layer sandwich structure", each of which contributes to its eminence as a packing material. The steel base provides the necessary strength and formability for can fabrication. The tin-iron alloy layer provides the bond between the steel and free tin layer. The free tin layer is not only responsible for the attractive bright finish and ease of solderability but is also non-toxic- a factor of vital importance in food packaging!


Electrolytic TinPlate: Composition


E.T.P. consists of five layers each of which performs a different role:

1.
Steel Base: Provides stiffness to the material due to its thickness and mechanical strength. Its chemical composition imparts special properties to resist corrosion.

2.
Iron-Tin Alloy: This is made up by the inter-metallic compound Fe-Sn2. Due to its electrochemical characteristics, it acts as a barrier against corrosion. For effective action, its continuity is more important than its quantity.

3.
Metallic Tin: Tin has many advantages which have turned it into the most important element to protect steel used for cans; in many foods, it acts as a simple barrier against corrosion, improves weldability, it is an excellent base for lithographic printing and for applying lacquers. In tin-robbing foods, it acts as a sacrificial element.

4.
Passivation Film: According to its nature, it makes it possible to improve the E.T.P.’s resistance to sulphiding, oxidation and rust. It is also a conditioner to improve the adherence of varnishes, inks, lacquers etc.

5.
Oil Film: Protects the sheet from the humidity in the environment and makes easy to handle. It is applied using an electrostatic oiler on both sides of the sheet.



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Q:Tinplate also known as what? What is the density of it?
This kind of galvanized steel in a long time Chinese called "tin", some people think that the tin plate when the manufacture cans from Macao (English Macao for tinplate imports, readable) so called "tin".There are other statements, such as China used this lamp tin plate made of kerosene, shaped like a horse, so called "tin".
Q:How to test the tightness of tin metal cans?
A careful observation of empty tank tank bottom edge and welding seam has no air bubbles, where the same parts of continuous bubbles, should be judged as leakage, leakage of the recording time and vacuum degree, and make a mark in the leak site.
Q:Both tinplate and stainless steel have corrosion protection
Stainless steel is added in the iron, Cr, Ni and other corrosion-resistant materials, is fundamentally changed the anti-corrosion properties of materials.
Q:What's the latest price for tinplate?
Now private factories can be produced, the thinnest can be produced to 0.14MM, the most thick can be 0.6MM. Tin can be plated with different thickness. The hardness of DR8, DR9, T1 these private tinplate factory can reach
Q:Who can tell me how to adjust the roller seal defects?
Such as material, hardness, etc., especially relatively small tank diameter (such as 202 diameter cans). If the material of the tinplate is thin and the hardness is large, it will be more difficult to ask for it. Because in this case, the material in the double curling process will be less plastic, but the wrinkles will be larger.
Q:0.25mm which melting point is low in tin plate and tin plate?
Zinc plating on the surface of thin steel plates and steel strips by continuous hot dip plating prevents corrosion of the surface of thin steel plates and steel strips. Galvanized steel sheet and steel strip are widely used in machinery, light industry, construction, transportation, chemical industry, post and telecommunications and other industries
Q:What do tinplate do?
If is a tin factory, then electroplating factory, the process is open book, roll up, cold rolled plate by welding, looper, alkali washing, acid pickling, tin plating, soft melting, chemical treatment passivation, oiling and rewinding.
Q:Tin can weldingHow can the side of the column of the pop top be welded or pressed?,
Mainly divided into the tank, the tank cover and the tank bottom three parts. The tank body is made of a piece of iron material through the curl bending machine, by using copper welder and welding. Now the mainstream of aerosol cans, food cans and beverage cans are produced by this method.
Q:What material is the tin plate, please?
Tinplate is a tin covered with tin, it is not easy to rust, also known as tin iron
Q:Tin and tinSince the back skin as long as tinplate will rust, so why not replace tin?
Tin and tin, are plated plate, is a low carbon steel sheet, and metal coating. Electroplating and hot plating respectively.The difference between the two plates is that the former tin plated, the latter galvanized, because the two kinds of metals have different chemical properties, so their anti-corrosion ability and use is not the same

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